Wizards: Sort

Introduce new QString id() const-API and sort wizards by
[untranslated] category and id. Introduce respective constants.
Rubber-stamped-by: con <qtc-committer@nokia.com>

src/plugins/qmlprojectmanager/qmlprojectwizard.h

@@ -64,14 +64,6 @@ public:
 
     QString projectName() const;
 
-private Q_SLOTS:
-    void updateFilesView(const QModelIndex &current,
-                         const QModelIndex &previous);
-
-protected:
-    virtual void initializePage(int id);
-    virtual bool validateCurrentPage();
-
 private:
     int m_secondPageId;